Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: R (Software), R Programming, Statistical Hypothesis Testing, Plot (Graphics), Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Statistical Visualization, Data Science, Tidyverse (R Package), Statistical Methods, Statistical Modeling, Data Analysis, Data-oriented programming, Regression Analysis, Data Structures, Data Wrangling, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Analysis, Balance Sheet, Financial Data, Spreadsheet Software, Income Statement, Financial Reporting, Financial Accounting, Gross Profit, Business Metrics, Performance Analysis, Cash Flows, Annual Reports, Benchmarking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Data Import/Export, Patch Management, Memory Management, Database Systems, Multi-Tenant Cloud Environments, Database Software, Database Management, Operational Databases, Software Installation, Performance Tuning, Server Administration, Data Maintenance, Query Languages, User Accounts, System Configuration
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Scalability, Authentications, JSON, Authorization (Computing), Web Development Tools, Web Applications, Web Development, Server Side, Secure Coding, JavaScript Frameworks, Back-End Web Development, Application Frameworks, Javascript, Restful API, Development Environment, Event-Driven Programming, Operating Systems, Email Automation, Integrated Development Environments
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Application Security, Serverless Computing, Secure Coding, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Cloud Services, Cloud Platforms, Javascript, Node.JS
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Ggplot2, Plot (Graphics), Data Cleansing, Tidyverse (R Package), Data Wrangling, Data Transformation, Data Visualization, R Programming, Data Manipulation, Statistical Visualization, R (Software), Data Analysis, Data Management, Pivot Tables And Charts
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data Entry, Data Validation, Data Integrity, Data Capture, Data Processing, Data Management, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Scope Management, Project Scoping, Leadership and Management, Project Management Institute (PMI) Methodology, Project Management, Project Schedules, Meeting Facilitation, Team Leadership, Resource Management, Project Management Life Cycle, Leadership, Project Portfolio Management, Team Building, Scheduling, Project Planning, Ethical Standards And Conduct, Process Management, Work Breakdown Structure
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, R (Software), Data Import/Export, R Programming, Ggplot2, Plot (Graphics), Data Manipulation, Plotly, Data Visualization, Web Scraping, Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Data Wrangling, Data Processing, Data Cleansing, Data Transformation, Statistical Programming, Programming Principles, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Artifactory, Apache Maven, CI/CD, DevOps, Devops Tools, Build Tools, Java, GitHub, Git (Version Control System), Software Installation, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Research Reports, Report Writing, Case Studies, Financial Reporting, Business Writing, Analysis, Data Analysis, Financial Analysis, Writing, Equities, Concision, Financial Modeling, Predictive Analytics, Target Audience, Data Science, Credit Risk, Predictive Modeling, Machine Learning, R Programming, Logistic Regression
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, C++ (Programming Language), Development Environment, Performance Tuning, Test Tools, Docker (Software), Computer Architecture, Containerization, Development Testing, Programming Principles, Software Development Tools, Hardware Architecture, Performance Testing, Algorithms, Computer Programming, Python Programming, Debugging, Memory Management, Software-Defined Networking, Scripting
Intermediate · Course · 1 - 3 Months